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<?php |
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/** |
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* Contains \Drupal\entity_browser\Plugin\EntityBrowser\Widget\Upload. |
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*/ |
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namespace Drupal\entity_browser\Plugin\EntityBrowser\Widget; |
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use Drupal\Component\Utility\NestedArray; |
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use Drupal\Core\Form\FormStateInterface; |
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use Drupal\Core\TypedData\DataDefinition; |
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use Drupal\Core\TypedData\TypedData; |
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use Drupal\entity_browser\WidgetBase; |
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use Drupal\file\Plugin\Field\FieldType\FileItem; |
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/** |
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* Uses a view to provide entity listing in a browser's widget. |
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* |
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* @EntityBrowserWidget( |
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* id = "upload", |
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* label = @Translation("Upload"), |
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* description = @Translation("Adds an upload field browser's widget.") |
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* ) |
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*/ |
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class Upload extends WidgetBase { |
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/** |
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* {@inheritdoc} |
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*/ |
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public function defaultConfiguration() { |
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return [ |
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'upload_location' => 'public://', |
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] + parent::defaultConfiguration(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getForm(array &$original_form, FormStateInterface $form_state, array $aditional_widget_parameters) { |
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$form = []; |
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$form['upload'] = [ |
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'#type' => 'managed_file', |
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'#title' => t('Choose a file'), |
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'#title_display' => 'invisible', |
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'#upload_location' => $this->configuration['upload_location'], |
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'#multiple' => TRUE, |
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]; |
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return $form; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function prepareEntities(FormStateInterface $form_state) { |
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$files = []; |
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foreach ($form_state->getValue(['upload'], []) as $fid) { |
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$files[] = $this->entityManager->getStorage('file')->load($fid); |
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} |
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return $files; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function submit(array &$element, array &$form, FormStateInterface $form_state) { |
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$files = $this->extractFiles($form_state); |
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$this->selectEntities($files, $form_state); |
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$this->clearFormValues($element, $form_state); |
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} |
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/** |
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* Clear values from upload form element. |
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* |
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* @param array $element |
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* Upload form element. |
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* @param \Drupal\Core\Form\FormStateInterface $form_state |
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* Form state object. |
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*/ |
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protected function clearFormValues(array &$element, FormStateInterface $form_state) { |
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// We propagated entities to the other parts of the system. We can now remove |
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// them from our values. |
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$form_state->setValueForElement($element['upload']['fids'], ''); |
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NestedArray::setValue($form_state->getUserInput(), $element['upload']['fids']['#parents'], ''); |
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} |
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/** |
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* @param FormStateInterface $form_state |
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* Form state object. |
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* |
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* @return \Drupal\file\FileInterface[] |
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* Array of files. |
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*/ |
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protected function extractFiles(FormStateInterface $form_state) { |
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$files = []; |
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foreach ($form_state->getValue(['upload'], []) as $fid) { |
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/** @var \Drupal\file\FileInterface $file */ |
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$file = $this->entityManager->getStorage('file')->load($fid); |
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$file->setPermanent(); |
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$file->save(); |
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$files[] = $file; |
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} |
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return $files; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function buildConfigurationForm(array $form, FormStateInterface $form_state) { |
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$form['upload_location'] = [ |
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'#type' => 'textfield', |
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'#title' => $this->t('Upload location'), |
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'#default_value' => $this->configuration['upload_location'], |
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]; |
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return $form; |
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} |
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} |
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drupal-media /
entity_browser
